Home / 351,560.28-485,183.02-198,626.56

Finding the Fourth Proportional to 351,560.28, 485,183.02 and 198,626.56

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Solution

The fourth proportional to 351,560.28, 485,183.02 and 198,626.56 is: 274,121.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,560.28 : 485,183.02 = 198,626.56 : x
  2. Step 2: Convert to fraction form
    351,560.28/485,183.02 = 198,626.56/x
  3. Step 3: Cross multiply
    351,560.28x = 485,183.02 × 198,626.56
  4. Step 4: Simplify right side
    351,560.28x = 96,370,234,233.01
  5. Step 5: Solve for x
    x = 96,370,234,233.01/351,560.28
  6. Step 6: Final answer
    x = 274,121.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.